Airedale - capable patient's decision must be upheld even if it seems contrary to BIs on an objective view

s1(5) - best interests where not competent

s1(6) - less restrictive

DH v NHS - proportionate and reasonable to give lady a sedative to get her to hospital

A local Authority v K - sterilisation disproportionate

s4 - Treat in best interests

BIs: -views of the patient, past and present - views of relevant others - how long lacking capacity for - best interests medically

s24-26 MCA - Best Interests do not prevail where there has been an advanced decision

-must be 18 and have capacity at time - refusals only and must be very specififc - has to be signed and witnessed in writing - withdraw at any point if you have caoacity - not binding if they act inconsistently with it

HE v Hospital NHS Trust - AD to refuse blood transfusion by JW was ignored as she was about to marry into Muslim faith